Table 4.

Questionnaire of object experience, generally and with specific domains. Subjects provided self-reports of experience in response to each question on a scale from 1–9.

General Experience

Generally speaking, how strong is your interest in classifying objects in their various sub-categories (such as learning about different kinds of insects, plants, vehicles, tools...)? Generally speaking, how easily do you learn to recognize objects visually? Generally speaking, relative to the average person, how much of your time at WORK or SCHOOL involves recognizing things visually? Generally speaking, relative to the average person, how much of your FREE TIME involves recognizing things visually?

Domain-specific Experience

Note the following order is for odd subject numbers, even subject numbers received the reverse order; XXX = category (e.g. birds, cars) Please rate yourself on your expertise with XXX considering your interest in, years of exposure to, knowledge of, and familiarity with XXX. If you are interested in XXX, when did this interest begin? How often do you look at IMAGES of XXX, in movies, television, or other kinds of documents (books, magazines, or online)? How often do you read TEXT (in books, magazines, online) that contains information about XXX? How important is the domain of XXX to you, relative to all the other things you are interested in? If you saw a specific XXX in a TV show, how sure are you that you could recognize that item among similar images if you were tested the next day? If you were asked to write an essay about different kinds of XXX, how extensive and detailed do you think your essay would be?